Added graficToDensity conversion. Added missing getBoxsize() method. Fixed grafic generation

sample/CMakeLists.txt

@@ -42,6 +42,8 @@ if (HDF5_FOUND)
     add_executable(gadgetToArray gadgetToArray.cpp)
     target_link_libraries(gadgetToArray ${tolink})
 
+    add_executable(graficToDensity graficToDensity.cpp)
+    target_link_libraries(graficToDensity ${tolink})
 endif (HDF5_FOUND)
 
 
@@ -88,3 +90,4 @@ endif (Boost_FOUND)
 
 add_executable(gadgetToDensity gadgetToDensity.cpp)
 target_link_libraries(gadgetToDensity ${tolink})
+

sample/graficToDensity.cpp

@@ -0,0 +1,72 @@
+#include <cmath>
+#include <iostream>
+#include <cstdlib>
+#include <boost/multi_array.hpp>
+#include <H5Cpp.h>
+#include "hdf5_array.hpp"
+#include "miniargs.hpp"
+#include "fortran.hpp"
+
+using namespace std;
+using namespace CosmoTool;
+
+//#define GRAFIC_GUILHEM
+
+int main(int argc, char **argv)
+{
+  uint32_t res;
+  char *fname;
+  int id;
+
+  MiniArgDesc desc[] = {
+    { "GRAFIC", &fname, MINIARG_STRING },
+    { 0, 0, MINIARG_NULL }
+  };
+
+  if (!parseMiniArgs(argc, argv, desc))
+    return 1;
+
+  UnformattedRead ur(fname);
+
+  ur.beginCheckpoint();
+  int32_t nx = ur.readInt32();
+  int32_t ny = ur.readInt32();
+  int32_t nz = ur.readInt32();
+  float dx = ur.readReal32();
+  float xo = ur.readReal32();
+  float yo = ur.readReal32();
+  float zo = ur.readReal32();
+  float astart = ur.readReal32();
+  float omega_m = ur.readReal32();
+  float omega_nu = ur.readReal32();
+  float h0 = ur.readReal32();
+#ifdef GRAFIC_GUILHEM
+  float w0 = ur.readReal32();
+#endif
+  ur.endCheckpoint();
+
+  cout << "Grafic file: Nx=" << nx << " Ny=" << ny << " Nz=" << nz << endl;
+  cout << "a_start = " << astart << endl;
+  cout << "z_start = " << 1/astart - 1 << endl;
+  cout << "L = " << nx*dx << endl;
+
+  boost::multi_array<float, 3> density(boost::extents[nx][ny][nz]);
+
+  for (int32_t iz = 0; iz < nz; iz++)
+    {
+      ur.beginCheckpoint();
+      for (int32_t iy = 0; iy < ny; iy++)
+	{
+	  for (int32_t ix = 0; ix < nx; ix++)
+	    {
+	      density[ix][iy][iz] = ur.readReal32();
+	    }
+	}
+      ur.endCheckpoint();
+    }
+
+  H5::H5File f("density.h5", H5F_ACC_TRUNC);
+  hdf5_write_array(f, "density", density); 
+
+  return 0;
+}